How Long Does PVC Glue Take to Dry?

While regular glues are very useful for joining different household materials, you won’t be able to use them to join PVC. Unless your house wasn’t made back in the medieval era, it certainly has pipes that are composed of PVC.

For completing the network of pipes underneath your house, they must be connected to each other. When it comes to PVC, you won’t be able to join two pipes with regular glue, no matter how strong that may be.

There’s a special type of glue for this. A lot of people question, how long does PVC glue take to dry? To know that, you need to know how this functions first.

How Do PVC Glues Work?

Unlike regular glues that join two different materials, the PVC glues take the kind of a different approach. When you apply PVC glue on a material made of PVC, the material melts.

Now, the PVC would’ve remained in a molten state for a very long time, but the glue is very volatile. This means that the glue evaporates quickly after the application. Once the glue evaporates, the PVC becomes solid over time. This process is known as curing.

Usually, it takes around two hours for the PVC glue to cure.

What Are PVC Glues Made of?

As we’ve discussed earlier, PVC glues aren’t made with bonding agents, unlike the regular ones. Rather, these glues are created to melt PVC down so that they can be reformed again.

There’s no specific component that’s used in every PVC glue. Rather, different companies use different components. For example, you’ll find methyl ethyl ketone and tetra hydro furan in one of the brands, while you might find cyclohexane one in some others. All of these are organic compounds.

The usage of different components can change the time taken for the glue to cure the PVC, and the color can vary too. No matter what the glue is made of, you’re good to go as long as the PVC glue doesn’t have any poisonous materials that might make the water impure.

How to Use PVC Glues Properly?

Now that you know what PVC glues are made of and how much time they might take for drying off, then perhaps knowing how to apply them properly will help you out. In this section, we’re going to discuss the things that you must consider.

1. Pick the Right Type of PVC Glue

There are many different types of PVC glue, and it’s important that you pick the most suitable type of glue for your purpose. Different types of PVC glues are made, especially for different types of plastics. Using the wrong option might ruin the entire process for you.

Then again, there are certain glues that may look similar but should never be used. For example, there are CPVC glues that seem to be very similar to PVC glues. However, these shouldn’t be used to cure PVC pipes or any other PVC material.

Some of the best manufacturers of PVC are Oatey, Weld-on, Gorilla, and there are others too. You’ll find most of these on the Amazon marketplace, which is great as you won’t have to travel to the store.

2. Make Sure the Pipes Fit

You definitely don’t want to get started with this process until you’re completely sure about the fit of the pipes. Please note that you’ll get only one shot at this. Once the pipes start melting, there’s nothing that can reverse the process.

This is why we strongly suggest that you double-check the Pipe’s size before you start the curing process. In this way, you’ll be able to make changes to the pipes if they require slight alterations.

3. Read the Safety Warnings

The PVC glues are very dangerous to work with. One wrong move, and you can end up damaging yourself badly. Then again, as the composition of the different PVC glues can be different, they might accompany different hazards as well.

This is why we recommend you read the safety warnings first. Most people avoid these warnings, but trust me, choosing not to read these can cost you your precious life even. So, you should definitely go through these before you start working.

4. Smoothen the Rim of the Pipes

It’s important to smooth out the edges of the pipes once you’re done with the curing process. While attaching the pipes as soon as you get your hands on them might be tempting, doing so will cause a lot of problems in the near future.

If you leave the rims of the pipes jagged, then they will catch on to dirt debris. This will cause clogs in the future, which then might end up in water leakage or even burst Pipe.

This is why we highly recommend following this step to prevent any future accidents.

4. Give Proper Time for Curing

While you might want to get done with this fast, you’ll only end up destroying what you’ve done thus far. Curing is a lengthy process, and you need a lot of patience to join two pipes properly.

Before you apply the glue, make sure that the pipes are held together firmly. You don’t want to move them even slightly once you’ve applied the PVC glue. Once the PVC glue is applied, you must hold the pipes together for a minute at least.

After this, you’ll need to keep them at a safe place for 30 minutes at least. Put them somewhere where they won’t be touched or moved. This period will differ from glue to glue, so we recommend referring to the manual for knowing a perfect time.

While giving them 30 minutes is quite enough, it won’t get the entire process done. Usually, it’s recommended to let them be for 24 hours at least- because no matter which glue you’re using, waiting for a whole day will join the pipes very strongly.

5. Twist the Pipe

Once you’ve applied the glue on a pipe, you need to insert the narrower Pipe into the wider one. It’ll be easier for you if you apply the glue on the narrower Pipe. After inserting one of the pipes into the other, you need to twist one of them into a quarter.

This will make sure that the glue is spread evenly across the surfaces. If the glue isn’t spread, then it won’t be joined properly.

6. Apply Primer Before Applying the PVC Glue

You don’t want to apply the PVC glue to the Pipe directly. Before you apply the glue, you need to apply a primer to the Pipe. There are different types of primers to choose from, and you’re going to find appropriate instructions on the package of the glue.

However, if you don’t find any information there, you can ask for the right primer for the glue you’re using in the store, and they will suggest you the most appropriate one for you.

You won’t get much time after applying the primer. Depending on the primer, you might get around 10 seconds minimum. You need to apply the PVC glue before this time. So, you need to work very fast.

Plus, you don’t want to wait after applying the glue either. Insert one Pipe into the other before long and twist them by a quarter. You need to do all of these very fast to minimize any chance of failure.

If this is the first time that you’re working with these, then we recommend that you try on applying the primer and the PVC glue on some dummy pipes. It won’t hurt if you go wrong with these, but if you fail to pull it off with the real pipes, then you’ll end up wasting them.

Factors that Affect the Curing Time

There are different factors that affect the curing time of the PVC pipes. Here are some of the factors that have the most effect:

1. Temperature

High temperature can help the curing compounds soften the pipes faster, and it also makes them evaporate faster. So, a higher temperature is always better than a low temperature for curing fast.

However, if the temperature is high, then using too much of any solvent damage the pipes.

2. The Diameter of the Pipe

The diameter, as well as the size of the Pipe, determines the curing time.

3. Pipe Condition

If the Pipe is completely new, then it will take more time for curing than the older ones. This is because the used pipes already get worn due to usage, while the new ones remain strong.

4. Humidity

Humidity is one of the major factors, and damp weather can increase the curing time by 50%.

Final Words

Now you know how long does PVC glue take to dry actually depends on a lot of things. There are many factors that determine this time, and this ranges from the glue you’re using, the size of the Pipe, and different environmental factors.

In fact, the process through which you glue the pipes together also plays a role in determining the curing process. We highly recommend maintaining the mentioned steps properly for getting a perfect curing result.

Resources:

  1. https://www.quora.com/How-long-does-it-take-to-let-PVC-glue-dry-before-turning-on-water
  2. https://farmihomie.com/how-long-to-let-pvc-glue-dry-before-turning-on-water/
  3. https://www.thereeftank.com/threads/how-long-for-pvc-glue-to-dry.20129/
  4. https://askinglot.com/how-long-does-gray-pvc-glue-take-to-dry

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